Re: Find data transfer on a particular port

From: nanard (nanard_at_tou.nu)
Date: 11/17/03

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    To: "Sunil Sunder Raj" <unixtools@hotmail.com>, <freebsd-isp@freebsd.org>
Date: Mon, 17 Nov 2003 14:00:05 +0100

    Hi,

    For instance, to know who is connected to port 993/tcp(IMAPS), you can use
    "lsof":

    crysto# lsof -ni |grep imaps
    inetd 276 root 4u IPv4 0xccb15b80 0t0 TCP 10.1.1.5:imaps
    (LISTEN)
    imapd 20016 root 0u IPv4 0xccb142c0 0t0 TCP
    10.1.1.5:imaps->192.168.10.42:3194 (ESTABLISHED)
    imapd 20016 root 1u IPv4 0xccb142c0 0t0 TCP
    10.1.1.5:imaps->192.168.10.42:3194 (ESTABLISHED)

    You have the name of the process (imapd) and the PID (20016) of the
    connexion.

    Regards,

    ----- Original Message -----
    From: "Sunil Sunder Raj" <unixtools@hotmail.com>
    To: <freebsd-isp@freebsd.org>
    Sent: Monday, November 17, 2003 1:52 PM
    Subject: Find data transfer on a particular port

    > Hi,
    >
    > How does one find the data transfer on a particular port. You can find the
    > data transfer on the whole server. But how to calculate which service/port
    > is transferring the data.
    >
    > Regards
    > SSR
    >
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